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Related papers: Color-octet scalars at the LHC

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We study the phenomenology of the pair-production of scalar color-octet electroweak singlet states at the LHC. Such states appear in many extensions of the Standard Model. They can be pair-produced copiously at the LHC and will signal…

High Energy Physics - Phenomenology · Physics 2015-05-30 Steffen Schumann , Adrien Renaud , Dirk Zerwas

The discovery made at the Large Hadron Collider (LHC) has revealed that the spontaneous symmetry breaking mechanism is realised in a gauge theory such as the Standard Model (SM) by at least one Higgs doublet. However, the possible existence…

High Energy Physics - Phenomenology · Physics 2018-09-05 Antonio Costantini

Experiments will soon start taking data at CERN's Large Hadron Collider (LHC) with high expectations for discovery of new physics phenomena. Indeed, the LHC's unprecedented center-of-mass energy will allow the experiments to probe an energy…

High Energy Physics - Experiment · Physics 2009-04-09 G. Brooijmans

In composite models with colored preons leptogluons (l_(8)) has a same status with leptoquarks, excited leptons and quarks etc. We analyze resonant production of color octet electron (e_(8)) at QCD Explorer stage of the Large Hadron…

High Energy Physics - Phenomenology · Physics 2014-11-20 M. Sahin , S. Sultansoy , S. Turkoz

It is suggested that virtual gluon-clusters exist in nucleon, and that such colorless and colored objects manifest themselves in the small $x_B$ region of inelastic lepton-nucleon scattering processes. The relationship between the…

High Energy Physics - Phenomenology · Physics 2009-10-28 C. Boros , Liang Zuo-tang , Meng Ta-chung

Charmonia hadro- and photo-production are analyzed in the framework of the color-octet model taking into account higher-order effects induced by initial-state radiation of gluons. We argue that color-octet matrix elements obtained from…

High Energy Physics - Phenomenology · Physics 2009-10-31 Miguel A. Sanchis-Lozano

We study a class of models in which the Higgs pair production is enhanced at hadron colliders by an extra neutral scalar. The scalar particle is produced by the gluon fusion via a loop of new colored particles, and decays into di-Higgs…

High Energy Physics - Phenomenology · Physics 2017-05-16 Koji Nakamura , Kenji Nishiwaki , Kin-ya Oda , Seong Chan Park , Yasuhiro Yamamoto

A scalar singlet, coupled to the other particles only through its mixing with the Higgs boson, appears in several motivated extensions of the Standard Model. The prospects for the discovery of a generic singlet at the various stages of the…

High Energy Physics - Phenomenology · Physics 2015-12-24 Dario Buttazzo

This review focuses on the expected performance of the ATLAS and CMS detectors at the CERN Large Hadron Collider (LHC), together with some of the highlights of the global commissioning work done in 2008 with basically fully operational…

High Energy Physics - Experiment · Physics 2009-07-07 Daniel Froidevaux , Vasiliki A. Mitsou

We present state-of-the art predictions for the production of supersymmetric squarks and gluinos at the Large Hadron Collider (LHC), including soft-gluon resummation up to next-to-next-to-leading logarithmic (NNLL) accuracy, the resummation…

High Energy Physics - Phenomenology · Physics 2017-02-01 Wim Beenakker , Christoph Borschensky , Michael Krämer , Anna Kulesza , Eric Laenen

We review here the prospects of a long-term upgrade programme for the Large Hadron Collider (LHC), CERN laboratory's new proton-proton collider. The super-LHC, which is currently under evaluation and design, is expected to deliver of the…

High Energy Physics - Phenomenology · Physics 2015-05-14 Michelangelo L. Mangano

We introduce an effort to catalog the gauge-invariant interactions of Standard Model (SM) particles and new fields in a variety of representations of the SM color gauge group $\text{SU}(3)_{\text{c}}$. In this first installment, we direct…

High Energy Physics - Phenomenology · Physics 2022-09-09 Linda M. Carpenter , Taylor Murphy , Tim M. P. Tait

In this study we investigated indirect manifestations of color octet electron at the next generation linear colliders: International Linear Collider (ILC) and Compact Linear Collider (CLIC). Namely, production of two gluons via color octet…

High Energy Physics - Phenomenology · Physics 2015-05-20 A. N. Akay , H. Karadeniz , M. Sahin , S. Sultansoy

A flavor-universal extension of the strong interactions was recently proposed in response to the apparent excess of high-$E_T$ jets in the inclusive jet spectrum measured at the Tevatron. This paper studies the color octet of massive gauge…

High Energy Physics - Phenomenology · Physics 2016-08-24 E. H. Simmons

R-hadrons are massive, meta-stable particles predicted in several Super- symmetry scenarios. Studies exploring the discovery potential of R-hadrons at the ATLAS detector have mainly focused on gluino R-hadrons. These studies have shown that…

High Energy Physics - Experiment · Physics 2015-06-25 Marianne Johansen

Hitherto unobserved long-lived massive particles with electric and/or colour charge are predicted by a range of theories which extend the Standard Model. In this paper a search is performed at the ATLAS experiment for slow-moving charged…

High Energy Physics - Experiment · Physics 2015-03-19 The ATLAS Experiment

We assess the future directions for the search for supersymmetry at the Large Hadron Collider in view of the new precision results on the muon anomaly by the Fermilab Collaboration. The existence of a deviation of size 4.1$\sigma$ from the…

High Energy Physics - Phenomenology · Physics 2021-08-25 Amin Aboubrahim , Michael Klasen , Pran Nath , Raza M. Syed

New physics close to the electroweak scale is well motivated by a number of theoretical arguments. However, colliders, most notably the Large Hadron Collider (LHC), have failed to deliver evidence for physics beyond the Standard Model. One…

High Energy Physics - Phenomenology · Physics 2020-08-05 Sebastian Baum , Pearl Sandick , Patrick Stengel

We provide quantitative predictions for the rapidity, centrality and energy dependencies of inclusive charged-hadron productions for the forthcoming LHC measurements in nucleus-nucleus collisions based on the idea of gluon saturation in the…

High Energy Physics - Phenomenology · Physics 2010-09-02 Eugene Levin , Amir H. Rezaeian

Continuum supersymmetry is a class of models in which the supersymmetric partners together with part of the standard model come from a conformal sector, broken in the IR near the TeV scale. Such models not only open new doors for addressing…

High Energy Physics - Phenomenology · Physics 2020-02-19 Christina Gao , Ali Shayegan Shirazi , John Terning